Composite horn and method of making same



March 9 1926.

G. W. BULLEY COMPOSITE HORN AND METHOD OF MAKING SAME Filed Sept. 5, 1925 7 ,Jnuenfot s51, Stu. A109 ma enta 1 926. II I 1,575,617 UNITED STATES PATEN OFFICE,

' (moses w. B ULi'zEY, of Alison, oHIo, ASSIGNOR TO THE MrL ER nunn'nacomrm, on AKRON, 011 10, A com'oRa'rIoNoF omo;

oomrosrrn Bonn AND mnrnon 03 Maxmq sm; I I I Application filed September {3, 1925. serialfli'o. I

5 ofthe" goose neck stretching-or distorting 'Beit' known that. I, GEORGE W. BULLEY, the smaller end 2 ofthe bell mouth, until the a citizen of the Uni tedStates, and a resident head 7 snaps into place the rebate3. The

I of" Akron, 'inflthe county of Summit :and assembled horn isJthe n cooled in any desired 6 State of Ohio, have invented certain new manner; Such actionc'auses the bell mouth and useful. Improvements in Composite to set rigid or shrink upon the goose neck Horns and Methods of Making :S'ame, of 'and the two-parts become as -a unitary 80 which the following is a -specification. artlcle, i

' To all whom it 'ma z/"wmem:

Mypresent' invention'relates to a method I claim: 4 M of assemblingb'ell-mouthed horns of the loud 1; A-method of assembling a plastic bell speaker type and in the article so assembled.- mouth-and a rigidlgoose neck which includes The principalobject of my invention-1s the Step of shrinking the bellmouthon the to facilitateqthe. quick and simple assembly goose neck. I i t of horns'ofthe above type in: which 'the'bell 2. A. method of assembling --a horn which 15 mouth is of rubberor other plastic material consists in treating a bell mouth so that it and the gooseneck-of metal or thelike'. becomes plastic, distortingthesmfl l l 6 To thisend my invention contemplates thereof'by' forcing therein a rigidgoose I forming a bell mouthhorn in any; desired necklarger'than the smaller end of the bell .mannerof rubber or other plastic material mouth and treating the bell mouth to-c ause. which' is soft or of a semi-soft nature when .11; to r gidly-set on said goose neck.

' hot, with an interior rebate or groove around 3. A method of assembling a horn-which its 'smaller' 'opening,."and while in this soft ,Iconsists-Iin forcing a la goose k i or semi-soft condition. inserting the metal asmaller bell mouth opening and then treatrigid gooseneck so as to t t h th mg "the assembledarticles to cause the two smallerflopening in the goose'neck, a hehd :parts to grip each th I I or flange on the larger endpf the .goose'neck 4. ;A rme.thod of'assembli'ng a horn which 1 I snapping into placein the rebate orgroov "conslsts "in; making a bell mouth plastic,

Upon cooling-the bell mouth will set or bestretching the smaller nd thereofb 'forc- L comerigidian'd the, goose n'ec'k; securely held lng theremto a rigid goose neck, and -therea therein 5 after treatilig S id bell mouth to'make it I .have "illustrated in theaccomiaanying rigidf I I I I drawings f m ed bodiment of my I 5. A method of assembling a horn which I invention, ,in' which-: I consists of removing a vulcariizxible bell Y {The figure is. a sectional elevation of the mouth'from a'mold' while hot andfplastic, r composite horhs'after cooling. forcing "into the smaller end thereof a rigid -Rcferring to thisdrawing'; I have indigoose, neck larger than said end, and cool *cated at 1 a bell mouthhor'n offvulcanizable ing the bell mouth to. cause itto shrink upon plastic material formed in any desired manthe goose neck.- I I her. This horn is provided at its smaller II 6. A composite horn 'comprisi'nga vulcanend 2 wi-th an interior rebate or groove 3. A' 'ized bell-mouth and a non-vulcanized goose I goose neck. is shownat, 4 made-of metal, neck secured together, the larger end of the i 1 Wood, orother non-elastic or plastic material goose neck being of greater diameter :than i h ordinarymanner, dit larger nd 5 the smaller end ofthe bell mouth. V ix is of reater diameter than'theopening' in 7. A composite horn comprising a vulcan- Fi the be 1 month 1 at'the point 6. The end 5 i zed bell mouth havingan interiorrebate at I of the-goose neck isprovided with a head. its smaller end, and il nz d-gdose 0r flange 1 adapted to] fit the rebate or neck havingan end larger thanthe diameter f ro v I of the smallest opening in the bell mouth, In ussembling','tlie bell mouth is taken, seated in said rebate, r wag froin'the vulcanizer wliile hot. In this con-r In testimony whereof, I affix'my signa- 'dition it is soft 'or semi-soft. -While soft, ture. I I the rigid goose neck 4 .is inserted through the larger end'of the bell mouth, the end of f 2 GEORGE .W. BULLEY. 

